Abstract
Sugarcane (Saccharum officinarum) is one of high-value commodities in Indonesia for producing sugar. Sugarcane production recently reduced due to insect pests attacked, mainly white grub Lepidiota stigma (Coleoptera: Scarabaeidae). Utilization of entomopathogenic nematodes (EPN) is one of the alternative control methods for sugarcane white grub. The aim of the present study was to select the higher pathogenicity of EPN isolates for controlling the sugarcane insect pest. The study was conducted in Insect Pathology Laboratory of Indonesia Sweeteners and Fiber Crops Research Institute. Nine isolates of EPN, e.g. DKS-1, AGH-1, DKH-1, DKH-5, NH-1, NH-2, PH-1, PH-2, and PH-4 and one untreated control were tested for their pathogenicity against sugarcane white grub, L. stigma. Each treatment was arranged in Completely Randomized Design with three replications. Every treatment consisted of 30 individuals of the third instar of white grub which treated by 2 × 104 infective juvenile or IJ of EPN isolates. Parameter observed was the mortality of sugarcane white grub, L. stigma. The result showed that all of EPN isolates tested were promising pathogenic against the white grub with about 10 to 80% of the average percentage of mortality. However, DKS-1 and PH-1 showed more pathogenic against L. stigma with about 80–90% and 70–80% of white grub mortality, respectively. The highest enhancement of white grub mortality occurred at 72 hours after treatment and it was showed by DKS-1 and PH-1 isolates which increased the percentage of white grub mortality about 57.1 and 50%, respectively. Obtaining the promising isolates of NPS with different host seeking strategies will potentially increase the effectivity of control against white grub with the result to increase the yield of sugarcane.
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Claims 7
Claim · model-written summary
All tested entomopathogenic nematode isolates were pathogenic to the white grub, with about 10 to 80% average mortality.
- Taxon
- Saccharum officinarum
Saccharum officinarume0 - Treatment
- EPN isolatese3
- Interactor
- Lepidiota stigmae1pest
- Second interactor
- EPNe3biocontrol_agent
- Outcome
- average percentage of mortalitye3
- Direction
- increaseinferrede3
- Value
- 10 to 80%e3
- Comparator
- untreated controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugarcane (Saccharum officinarum) is one of high-value commodities in Indonesia for producing sugar”
e1“Sugarcane production recently reduced due to insect pests attacked, mainly white grub Lepidiota stigma (Coleoptera: Scarabaeidae)”
e2“and one untreated control were tested for their pathogenicity against sugarcane white grub”
e3“all of EPN isolates tested were promising pathogenic against the white grub with about 10 to 80% of the average percentage of mortality”
Claim · model-written summary
DKS-1 caused more pathogenic effect on Lepidiota stigma, with about 80–90% white grub mortality.
- Taxon
- Saccharum officinarumSaccharum officinarume0
- Treatment
- DKS-1e4
- Interactor
- L. stigmae4pest
- Outcome
- white grub mortalitye4
- Direction
- more pathogenice4
- Value
- 80–90%e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugarcane (Saccharum officinarum) is one of high-value commodities in Indonesia for producing sugar”
e4“DKS-1 and PH-1 showed more pathogenic against L. stigma with about 80–90% and 70–80% of white grub mortality, respectively”
Claim · model-written summary
PH-1 caused more pathogenic effect on Lepidiota stigma, with about 70–80% white grub mortality.
- Taxon
- Saccharum officinarumSaccharum officinarume0
- Treatment
- PH-1e4
- Interactor
- L. stigmae4pest
- Outcome
- white grub mortalitye4
- Direction
- more pathogenice4
- Value
- 70–80%e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugarcane (Saccharum officinarum) is one of high-value commodities in Indonesia for producing sugar”
e4“DKS-1 and PH-1 showed more pathogenic against L. stigma with about 80–90% and 70–80% of white grub mortality, respectively”
Claim · model-written summary
The highest enhancement of white grub mortality occurred at 72 hours after treatment with DKS-1 and PH-1 isolates.
- Taxon
- Saccharum officinarumSaccharum officinarume0
- Treatment
- DKS-1 and PH-1 isolatese5
- Outcome
- enhancement of white grub mortalitye5
- Direction
- higheste5
- Qualifier
- 72 hours after treatmente5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugarcane (Saccharum officinarum) is one of high-value commodities in Indonesia for producing sugar”
e5“The highest enhancement of white grub mortality occurred at 72 hours after treatment and it was showed by DKS-1 and PH-1 isolates which increased the percentage of white grub mortality about 57.1 and 50%, respectively”
Claim · model-written summary
DKS-1 increased the percentage of white grub mortality by about 57.1 at 72 hours after treatment.
- Taxon
- Saccharum officinarumSaccharum officinarume0
- Treatment
- DKS-1e5
- Outcome
- percentage of white grub mortalitye5
- Direction
- increasede5
- Value
- 57.1e5
- Qualifier
- 72 hours after treatmente5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugarcane (Saccharum officinarum) is one of high-value commodities in Indonesia for producing sugar”
e5“The highest enhancement of white grub mortality occurred at 72 hours after treatment and it was showed by DKS-1 and PH-1 isolates which increased the percentage of white grub mortality about 57.1 and 50%, respectively”
Claim · model-written summary
PH-1 increased the percentage of white grub mortality by about 50% at 72 hours after treatment.
- Taxon
- Saccharum officinarumSaccharum officinarume0
- Treatment
- PH-1e5
- Outcome
- percentage of white grub mortalitye5
- Direction
- increasede5
- Value
- 50%e5
- Qualifier
- 72 hours after treatmente5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugarcane (Saccharum officinarum) is one of high-value commodities in Indonesia for producing sugar”
e5“The highest enhancement of white grub mortality occurred at 72 hours after treatment and it was showed by DKS-1 and PH-1 isolates which increased the percentage of white grub mortality about 57.1 and 50%, respectively”
Claim · model-written summary
Promising nematode isolates with different host-seeking strategies will likely increase sugarcane yield through better control of white grub.
- Taxon
- Saccharum officinarumSaccharum officinarume0
- Treatment
- promising isolates of NPSe6
- Outcome
- yield of sugarcanee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugarcane (Saccharum officinarum) is one of high-value commodities in Indonesia for producing sugar”
e6“Obtaining the promising isolates of NPS with different host seeking strategies will potentially increase the effectivity of control against white grub with the result to increase the yield of sugarcane”
The same questions in other papers
biocontrol · pest · Saccharum officinarum (sugarcane)Results agree
2 papers in the same direction as this paper
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.